Simple Flask (with Flask-Login) example

flask-login-example.py

from flask import Flask, request, jsonify, session
from flask_login import current_user, login_required, login_user, LoginManager, logout_user


app = Flask(__name__)

app.secret_key = b'_5#y2L"F4Q8z\n\xec]/'

login_manager = LoginManager()
login_manager.init_app(app)

class User():
    id = None
    name = ''
    is_anon = True

    def __init__(self, id, is_anon):
        self.id = id
        self.is_anon = is_anon
    
    def set_name(self, name):
        self.name = name
    
    def is_authenticated(self):
        return not self.is_anon
    
    def is_active(self):
        return not self.is_anon
    
    def is_anonymous(self):
        return self.is_anon
    
    def get_id(self):
        if not self.id:
            return None
        return str(self.id).encode('utf-8')


@login_manager.user_loader
def load_user(id):
    is_anon = True
    if id:
        is_anon = False
    return User(id, is_anon)


@app.before_request
def print_session():
    print session


@app.route('/')
def main():
    if not current_user.is_authenticated:
        user = User(None, True)
        login_user(user)
    return 'hello'


@app.route('/login')
def login():
    user = User(1, False)
    login_user(user)
    return jsonify(success=True), 200


@app.route('/logout')
def logout():
    logout_user()
    return jsonify(success=True), 200


@app.route('/private')
@login_required
def private():
    return jsonify(private='abcxyz'), 200